Our sphalerite buying guide can help you learn how these gems are graded, what to avoid, and how to identify a high quality stone or a bargain in the…
Although bytownite occurs throughout the world, this feldspar variety is rarely encountered in gem-quality condition.
Polishing kunzite can be very challenging, especially for novice gemstone faceters. Learn what tools and techniques work best.
Why do gemology labs sometimes have different gem origin opinions, especially for sapphires? Learn the science and history behind the debate.…
Did you know that routine pearl treatments are the most common enhancements in the gem trade? Learn more about these procedures and how they impact…
Our lapis lazuli buying guide can help you learn how to grade these gems, what to avoid, and how to identify a high quality stone or a bargain in the…
What kinds of gems can novice faceters cut to make a profit? Learn which gemstones make money reliably and which ones have limited potential.
Buying a faceting machine means making compromises between economy, looks, and technical features. Learn what questions to ask before you make…